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Finding the Fourth Proportional to 624,458.13, 936,704.97 and 197,995.86

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Solution

The fourth proportional to 624,458.13, 936,704.97 and 197,995.86 is: 296,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,458.13 : 936,704.97 = 197,995.86 : x
  2. Step 2: Convert to fraction form
    624,458.13/936,704.97 = 197,995.86/x
  3. Step 3: Cross multiply
    624,458.13x = 936,704.97 × 197,995.86
  4. Step 4: Simplify right side
    624,458.13x = 185,463,708,871.58
  5. Step 5: Solve for x
    x = 185,463,708,871.58/624,458.13
  6. Step 6: Final answer
    x = 296,999.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.